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Bernal A, Bechler AJ, Mohan K, Rizzino A, Mathew G. The Current Therapeutic Landscape for Metastatic Prostate Cancer. Pharmaceuticals (Basel) 2024; 17:351. [PMID: 38543137 PMCID: PMC10974045 DOI: 10.3390/ph17030351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/16/2024] [Accepted: 03/05/2024] [Indexed: 04/01/2024] Open
Abstract
In 2024, there will be an estimated 1,466,718 cases of prostate cancer (PC) diagnosed globally, of which 299,010 cases are estimated to be from the US. The typical clinical approach for PC involves routine screening, diagnosis, and standard lines of treatment. However, not all patients respond to therapy and are subsequently diagnosed with treatment emergent neuroendocrine prostate cancer (NEPC). There are currently no approved treatments for this form of aggressive PC. In this review, a compilation of the clinical trials regimen to treat late-stage NEPC using novel targets and/or a combination approach is presented. The novel targets assessed include DLL3, EZH2, B7-H3, Aurora-kinase-A (AURKA), receptor tyrosine kinases, PD-L1, and PD-1. Among these, the trials administering drugs Alisertib or Cabozantinib, which target AURKA or receptor tyrosine kinases, respectively, appear to have promising results. The least effective trials appear to be ones that target the immune checkpoint pathways PD-1/PD-L1. Many promising clinical trials are currently in progress. Consequently, the landscape of successful treatment regimens for NEPC is extremely limited. These trial results and the literature on the topic emphasize the need for new preventative measures, diagnostics, disease specific biomarkers, and a thorough clinical understanding of NEPC.
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Affiliation(s)
- Anastasia Bernal
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68106, USA; (A.B.); (A.J.B.); (K.M.); (A.R.)
| | - Alivia Jane Bechler
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68106, USA; (A.B.); (A.J.B.); (K.M.); (A.R.)
| | - Kabhilan Mohan
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68106, USA; (A.B.); (A.J.B.); (K.M.); (A.R.)
| | - Angie Rizzino
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68106, USA; (A.B.); (A.J.B.); (K.M.); (A.R.)
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68106, USA
| | - Grinu Mathew
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68106, USA; (A.B.); (A.J.B.); (K.M.); (A.R.)
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68106, USA
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Liu J, Santucci J, Woon DTS, Catterwell R, Perera M, Murphy DG, Lawrentschuk N. A Systematic Review on Prostate-Specific Membrane Antigen Positron Emission Tomography (PSMA PET) Evaluating Localized Low- to Intermediate-Risk Prostate Cancer: A Tool to Improve Risk Stratification for Active Surveillance? Life (Basel) 2024; 14:76. [PMID: 38255691 PMCID: PMC10817570 DOI: 10.3390/life14010076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/28/2023] [Accepted: 01/01/2024] [Indexed: 01/24/2024] Open
Abstract
Active surveillance remains a treatment option for low- to intermediate-risk prostate cancer (PCa) patients. Prostate-specific membrane antigen positron emission tomography and computed tomography (PSMA PET/CT) has emerged as a useful modality to assess intraprostatic lesions. This systematic review aims to evaluate PSMA PET/CT in localized low- to intermediate-risk PCa to determine its role in active surveillance. Following PRISMA guidelines, a search was performed on Medline, Embase, and Scopus. Only studies evaluating PSMA PET/CT in localized low- to intermediate-risk PCa were included. Studies were excluded if patients received previous treatment, or if they included high-risk PCa. The search yielded 335 articles, of which only four publications were suitable for inclusion. One prospective study demonstrated that PSMA PET/CT-targeted biopsy has superior diagnostic accuracy when compared to mpMRI. One prospective and one retrospective study demonstrated MRI occult lesions in 12.3-29% of patients, of which up to 10% may harbor underlying unfavorable pathology. The last retrospective study demonstrated the ability of PSMA PET/CT to predict the volume of Gleason pattern 4 disease. Early evidence demonstrated the utility of PSMA PET/CT as a tool in making AS safer by detecting MRI occult lesions and patients at risk of upgrading of disease.
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Affiliation(s)
- Jianliang Liu
- EJ Whitten Prostate Cancer Research Centre, Epworth Healthcare, Melbourne, VIC 3005, Australia
- Department of Urology, The Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia
- Department of Surgery, University of Melbourne, Melbourne, VIC 3052, Australia;
- Department of Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC 3052, Australia
| | - Jordan Santucci
- Department of Urology, The Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia
- Department of Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC 3052, Australia
| | - Dixon T. S. Woon
- EJ Whitten Prostate Cancer Research Centre, Epworth Healthcare, Melbourne, VIC 3005, Australia
- Department of Surgery, University of Melbourne, Melbourne, VIC 3052, Australia;
- Department of Urology, University of Melbourne, Austin Health, Heidelberg, VIC 3084, Australia
| | - Rick Catterwell
- Department of Urology, The Queen Elizabeth Hospital, Woodville, SA 5011, Australia
- Discipline of Surgery, University of Adelaide, Adelaide, SA 5005, Australia
| | - Marlon Perera
- Department of Urology, The Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia
- Department of Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC 3052, Australia
- Department of Urology, University of Melbourne, Austin Health, Heidelberg, VIC 3084, Australia
| | - Declan G. Murphy
- Department of Surgery, University of Melbourne, Melbourne, VIC 3052, Australia;
- Department of Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC 3052, Australia
| | - Nathan Lawrentschuk
- EJ Whitten Prostate Cancer Research Centre, Epworth Healthcare, Melbourne, VIC 3005, Australia
- Department of Urology, The Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia
- Department of Surgery, University of Melbourne, Melbourne, VIC 3052, Australia;
- Department of Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC 3052, Australia
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Esen T, Esen B, Yamaoh K, Selek U, Tilki D. De-Escalation of Therapy for Prostate Cancer. Am Soc Clin Oncol Educ Book 2024; 44:e430466. [PMID: 38206291 DOI: 10.1200/edbk_430466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Prostate cancer (PCa) is the second most commonly diagnosed cancer in men with around 1.4 million new cases every year. In patients with localized disease, management options include active surveillance (AS), radical prostatectomy (RP; with or without pelvic lymph node dissection), or radiotherapy to the prostate (with or without pelvic irradiation) with or without hormonotherapy. In advanced disease, treatment options include systemic treatment(s) and/or treatment to primary tumour and/or metastasis-directed therapies (MDTs). Specifically, in advanced stage, the current trend is earlier intensification of treatment such as dual or triple combination systemic treatments or adding treatment to primary and MDT to systemic treatment. However, earlier treatment intensification comes with the cost of increased morbidity and mortality resulting from drug-/treatment-related side effects. The main goal is and should be to provide the best possible care and oncologic outcomes with minimum possible side effects. This chapter will explore emerging possibilities to de-escalate treatment in PCa driven by enhanced insights into disease biology and the natural course of PCa such as AS in intermediate-risk disease or salvage versus adjuvant radiotherapy in post-RP patients. Considerations arising from advancements in PCa imaging and technological advancements in surgical and radiation therapy techniques including omitting pelvic lymph node dissection in the era of prostate-specific membrane antigen positron emitting tomography, the potential of MDT to delay/omit systemic treatment in metachronous oligorecurrence, and the efficacy of hypofractionation schemes compared with conventional fractionated radiotherapy will be discussed.
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Affiliation(s)
- Tarik Esen
- Department of Urology, Koc University School of Medicine, Istanbul, Turkey
| | - Baris Esen
- Department of Urology, Koc University School of Medicine, Istanbul, Turkey
| | - Kosj Yamaoh
- Department of Radiation Oncology, Moffitt Cancer Center, Tampa, FL
| | - Ugur Selek
- Department of Radiation Oncology, Koc University School of Medicine, Istanbul, Turkey
| | - Derya Tilki
- Department of Urology, Koc University School of Medicine, Istanbul, Turkey
- Department of Urology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
- Martini-Klinik Prostate Cancer Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany
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